Matemática, perguntado por Ahofoxy, 8 meses atrás

Urgente!!

-Determine x:


A) 62=2×+16

B) 2×-5=×+1

C) 2×-5=×+4

D) 5×+7=4×+10

E) 4×-10=2×+2

F) 4×-7=8×-2

G) 2×+1=4×-7

H) 9×+9+3×=15

I) 16×-1=12×+3

J) 3×-2=4×+9

K) 5×-3+×=2×+9

L) 17×-7×=×+18

M) ×+×-4=17-2×+1

N) ×+2×+3-5×=4×-9

O) 5×+6×-16=3×+2×-4

P) 5×+4=3×-2×+4

Soluções para a tarefa

Respondido por JovemLendário
2

olá !!!

a)\\62=2x+16\\-2x=16-62\\-2x=-46\\2x=46\\x=46/2\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=23 \ \checkmark }}}}\\\\\\b)\\2x-5=x+1\\2x-x=1+5\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=6 \ \checkmark }}}}\\\\\\c)\\2x-5=x+4\\2x-x=4+5\\x=4+5\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=9 \ \checkmark }}}}\\\\\\d)\\5x+7=4x+10\\5x-4x=10-7\\x=10-7\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=3 \ \checkmark }}}}\\\\\\e)\\4x-10=2x+2\\4x-2x=2+10\\2x=12\\x=12/2

\huge\boxed{\boxed{\boxed{\boxed{\sf x=6 \ \checkmark }}}}

f)\\4x-7=8x-2\\4x-8x=-2+7\\-4x=5\\4x=-5\\x=-5/4\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=1,25 \ \checkmark }}}}\\\\g)\\2x+1=4x-7\\2x-4x=-7-1\\-4x=-8\\4x=8\\x=8/4\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=4 \ \checkmark }}}}

h)\\9x+9+3x=15\\12x=15-9\\12x=6\\x=6/12\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=0,50\ \checkmark }}}}\\\\\\i)\\16x-1=12x+3\\16x-12=3+1\\4x=4\\x=4/4\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=1 \ \checkmark }}}}\\\\j)\\3x-2=4x+9\\3x-4=9+2\\-x=11\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=-11 \ \checkmark }}}}\\\\\\k)\\5x-3+x=2x+9\\6x-2x=9+3\\4x=12\\x=12/4\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=3 \ \checkmark }}}}\\

l)\\17x-7x=x+18\\10x-x=18\\9x=18\\x=18/9\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=2 \ \checkmark }}}}\\\\m)\\x+x-4=17-2x+1\\2x+2x=18+4\\4x=22\\x=22/4\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=5,5 \ \checkmark }}}}\\\\\\n)\\x+2+x+3-5x=4x-9\\-3x-4x=-9-5-2\\-7x=-9-5-2\\-7x=-9-7\\-7x=-16\\7x=16\\x=16/7\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=2,28 \ \checkmark }}}}\\\\\\o)\\5x+6x-16=3x+2x-4\\11x-5x=-4+16\\6x=12\\x=12/6\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=2 \ \checkmark }}}}\\

p)\\5x+4=3x-2x+4\\5x-3x+2x=4-4\\4x=0\\x=0/4\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=0 \ \checkmark }}}}\\

\huge\boxed{\boxed{\boxed{\boxed{\sf espero \ ter \ ajudado }}}}

\huge\boxed{\boxed{\boxed{\boxed{\sf Att:Jovem \ Lendario }}}}

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